#!/bin/sh
echo "********************************"
echo "Please select your operation:"
echo " Press "C" to Copy"
echo " Press "D" to Delete"
echo " Press "B" to Backup"
echo "********************************"

read op
case $op in
    C)
       echo "your selection is Copy"
       /bin/ls -ld /zhl
       ;;
    D)   
       echo "your selection is Delete"
       ;;
    B)
       echo "your selection is Backup"
       ;;
    *)
       echo "invalide selection"
esac
